Classes

Very low

Low

Middle

Strong

Very strong

Thicknesses of saprolite

<10 m

10 - 15 m

15 - 25 m

25 - 40 m

40 - 70 m

Number (n = 117)

5

16

45

40

11

Percentage

4.27

13.68

38.46

34.19

9.40